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Media query to detect if device is touchscreen
...ot on a touchscreen device? If there is no way, do you suggest using a JavaScript solution such as !window.Touch or Modernizr?
...
Reconnection of Client when server reboots in WebSocket
...
When the server reboots, the Web Socket connection is closed, so the JavaScript onclose event is triggered. Here's an example that tries to reconnect every five seconds.
function start(websocketServerLocation){
ws = new WebSocket(websocketServerLocation);
ws.onmessage = function(evt) { al...
How to print out the method name and line number and conditionally disable NSLog?
...
I've taken DLog and ALog from above, and added ULog which raises a UIAlertView message.
To summarize:
DLog will output like NSLog only when the DEBUG variable is set
ALog will always output like NSLog
ULog will show the UIAlertView only when the DEBUG variable is set
#ifdef DEBUG
# d...
Proper way to wait for one function to finish before continuing?
...aded execution environment. Let's look again at your code, note I've added alert("Here"):
var isPaused = false;
function firstFunction(){
isPaused = true;
for(i=0;i<x;i++){
// do something
}
isPaused = false;
};
function secondFunction(){
firstFunction()
alert(...
Parsing JSON giving “unexpected token o” error [duplicate]
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Your data is already an object. No need to parse it. The javascript interpreter has already parsed it for you.
var cur_ques_details ={"ques_id":15,"ques_title":"jlkjlkjlkjljl"};
document.write(cur_ques_details['ques_title']);
...
Is there a “null coalescing” operator in JavaScript?
...he assignment will use the second operand. Beware of all the cases below:
alert(Boolean(null)); // false
alert(Boolean(undefined)); // false
alert(Boolean(0)); // false
alert(Boolean("")); // false
alert(Boolean("false")); // true -- gotcha! :)
This means:
var whatIWant = null || new ShinyObject...
Prevent Default on Form Submit jQuery
...et the form element, and jQuery doesn't give any error about that. If your script is placed in the head of the document, make sure the code runs after DOM is ready. So, $(document).ready(function () { // your code here // }); will solve the problem.
The best practice is, always put your script in t...
Displaying a message in iOS which has the same functionality as Toast in Android
...
NSString *message = @"Some message...";
UIAlertView *toast = [[UIAlertView alloc] initWithTitle:nil
message:message
delegate:nil
cance...
Generate random password string with requirements in javascript
...r general solution, 3 lines max; can be one-liner)
it uses only native Javascript- no installation or other libs required
Note that
for this to work on IE, the Array.fill() prototype must be polyfilled
if available, better to use window.crypto.getRandomValues() instead of Math.random() (thanks @...
How to write an inline IF statement in JavaScript?
...t( $( '#ABLAHALAHOO' ).text()) > parseInt( $( '#WABOOLAWADO ).text()) ? alert( 'Eat potato' ) : alert( 'You starve' );
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